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antibacterial agent with aromatic components

CN → US
HS编码 关税税率 原产国 目的国 文档
2934991800 16.5% CN US 官方文档
3802905000 39.8% CN US 官方文档
3802902000 37.5% CN US 官方文档
2934991200 16.5% CN US 官方文档
3808591000 16.5% CN US 官方文档

商品图片

AI分析

🧪 Antibacterial Agent with Aromatic Components


🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Compliance Strategy
📌 I. Product Definition & Classification: Understanding the "Aromatic" Factor

An Antibacterial Agent with Aromatic Components is a specialized chemical or agrochemical preparation designed to kill or inhibit microorganisms. The defining characteristic is the presence of aromatic hydrocarbon structures (such as benzene rings) or their derivatives in the molecule. In international trade, the classification depends heavily on whether the product is defined primarily by its chemical structure (Chapter 29) or its formulation/application as a pesticide/chemical preparation (Chapter 38).

Key Distinction Logic: * Chemical Structure Priority (Chapter 29): If the product is a specific, identifiable chemical compound containing an aromatic heterocyclic structure (even if used as an antibacterial), it falls under HS 2934. * Formulation & Use Priority (Chapter 38): If the product is a mixed formulation, a biological agent (like activated carbon with chemical impregnation), or a general agricultural/industrial disinfectant that doesn’t fit a specific single chemical heading, it falls under HS 3802.

⚠️ Critical Classification Point:
- If the aromatic component makes up the core chemical identity → HS 2934 (Lower Duty).
- If it is a mixed preparation, "active earth," or activated carbon-based → HS 3802 (Higher Duty due to Section 301/122 tariffs).


📦 II. HS Code Classification Details (2026 Latest Tariff Authority Match)

Based on the provided data, here are the 5 possible HS Code classifications for this product, ranked by likelihood and tax implication.

HS Code Product Description Application/Scope Tax Implication
2934.99.18.00 Antibacterial agent containing aromatic components, conforming to aromatic hydrocarbon or modified aromatic hydrocarbon chemical structure and pesticide use. Specific chemical structure + Pesticide use Lowest Duty (16.5%)
2934.99.12.00 Antibacterial agent containing aromatic components, explicitly including aromatic material characteristics and antibacterial use, conforming to core classification conditions. Specific chemical structure + Antibacterial use Lowest Duty (16.5%)
3808.59.10.00 Antibacterial agent containing aromatic components, conforming to the use description of any aromatic or modified aromatic pesticide and antibacterial. General pesticide/antibacterial formulation Low Duty (16.5%)
3802.90.50.00 Antibacterial agent containing aromatic components, belonging to chemical products, conforming to the category of chemical substances in activated carbon and related mineral products. Activated Carbon/Mineral-based preparation Highest Duty (39.8%)
3802.90.20.00 Antibacterial agent containing aromatic components, conforming to the chemical attributes of active earth category, belonging to chemicals/antibacterials. Active Earth/Clay-based preparation High Duty (37.5%)

🔍 Key Insight:
- Chapter 29 (2934) and HS 3808 offer the 16.5% total duty rate.
- Chapter 3802 incurs significantly higher duties (37.5% - 39.8%) due to additional tariffs on chemical/mineral preparations.


💰 III. 2026 Latest Tariff Rate Breakdown (Including Additional Taxes)

Applicable Country: United States (US)
Origin: China (CN)
Effective Date: Current trade policies (Section 301 & Section 122)

🎯 1. 2934.99.18.00 & 2934.99.12.00 —— Chemical Antibacterial Agents (Aromatic Structure)

Item Content
Base Tariff 6.5% (ad valorem)
Additional Tariff (Section 301) 0.0% (Exempt or Lower Tier for specific chemicals)
Section 122 Tariff +10%
Total Duty Rate 16.5%
Tax Calculation CIF Value × 16.5%
De Minimis Eligibility No (Commercial shipment requires full duty payment)
Legal Basis Path HTSUS:2934Section 122:10%Base:6.5%

📌 Explanation:
- These codes classify the product as a specific chemical compound (Heterocyclic compounds with nitrogen heteroatoms, typically).
- The Section 301 tariff is 0% for these specific subheadings, making them highly competitive.
- Only the 10% Section 122 tariff applies on top of the base rate.


🎯 2. 3808.59.10.00 —— General Pesticide/Antibacterial Formulation

Item Content
Base Tariff 6.5%
Additional Tariff (Section 301) 0.0%
Section 122 Tariff +10%
Total Duty Rate 16.5%
Tax Calculation CIF Value × 16.5%
De Minimis Eligibility No
Legal Basis Path HTSUS:3808Section 122:10%Base:6.5%

📌 Explanation:
- This code is used for pesticides and insecticides in the form of articles (e.g., sprays, coils, or formulated agents).
- If your product is a ready-to-use disinfectant spray or coil, this code is appropriate.
- Same favorable tax rate (16.5%) as the Chapter 29 codes.


🎯 3. 3802.90.50.00 —— Activated Carbon/Mineral Preparation

Item Content
Base Tariff 4.8%
Additional Tariff (Section 301) +25.0%
Section 122 Tariff +10%
Total Duty Rate 39.8%
Tax Calculation CIF Value × 39.8%
De Minimis Eligibility No
Legal Basis Path HTSUS:3802Section 301:25%Section 122:10%Base:4.8%

📌 Warning:
- This code is for activated carbon or similar mineral products.
- If your "aromatic" agent is impregnated onto activated carbon, DO NOT use this code unless necessary, as the duty is 2.4x higher than the chemical codes.


🎯 4. 3802.90.20.00 —— Active Earth Preparation

Item Content
Base Tariff 2.5%
Additional Tariff (Section 301) +25.0%
Section 122 Tariff +10%
Total Duty Rate 37.5%
Tax Calculation CIF Value × 37.5%
De Minimis Eligibility No
Legal Basis Path HTSUS:3802Section 301:25%Section 122:10%Base:2.5%

📌 Warning:
- This code applies if the antibacterial agent is mixed with diatomaceous earth or similar clay substances.
- High duty risk due to Section 301 penalties.


🛠️ IV. Customs Clearance Practical Advice (Avoid Pitfalls)

✅ 1. Preparation Checklist (Non-Negotiable)

Document Must Provide Description
Certificate of Analysis (COA) ✔️ Must specify Chemical Name, CAS Number, and Structural Formula to prove aromatic composition.
Product Specification Sheet ✔️ Details form (liquid, solid, spray), concentration, and active ingredients.
Label/Labeling Photo ✔️ Must clearly state "Antibacterial Agent," "Contains Aromatic Compounds," and usage instructions.
Safety Data Sheet (SDS) ✔️ Section 3 (Composition) and Section 9 (Physical/Chemical Properties) are critical for customs verification.
Commercial Invoice ✔️ Accurate description: "Antibacterial Agent, Aromatic Structure, For Industrial/Agricultural Use."
Packing List ✔️ Net/Gross weight, number of packages, and dimensions.

✅ 2. Declaration Strategy (Key Mantras)

🔥 “Structure Determines Code, Formulation Matters, Avoid 3802 Unless Necessary!”

Scenario Correct Declaration Incorrect Action Consequence
Pure Chemical Compound (e.g., a specific aromatic heterocycle) 2934.99.18.00 or 2934.99.12.00 Declaring as 3802.90.50.00 Overpaying 23.3% duty!
Ready-to-Use Spray/Coil 3808.59.10.00 Declaring as 2934 Customs may reclassify & penalize
Impregnated on Carbon/Clay 3802.90.50.00 or 3802.90.20.00 Declaring as 2934 Misdeclaration, potential fine
General Disinfectant 3808.59.10.00 Declaring as 3802 Unnecessary high duty

✅ 3. Special Case Handling

Situation Handling Advice
OEM Custom Chemical Provide the Client’s Formula Sheet and CAS Number. Customs will verify if it fits 2934.
Mixed Formulation If multiple active ingredients are present, determine the principal ingredient. If aromatic chemical is primary, aim for 2934. If it’s a carrier-based product, 3802 may be forced.
Biological Antibacterial If the "aromatic" part is minor and the main component is biological, check if 3808 still applies.
Dual-Use Items If used in both agriculture and industrial settings, declare the primary intended use.

🌍 V. Global Market Customs Comparison (2026 Latest)

Country/Region Recommended HS Code Tariff Rate Certification Requirement Note
🇺🇸 USA 2934.99.18.00 16.5% EPA Registration (if pesticide) Avoid 3802 codes for pure chemicals to save ~23%.
🇨🇳 China 2934.99.18.00 ~6-10% None Low duty, no Section 301.
🇪🇺 EU 2934.99 ~6.5% REACH Registration No Section 301/122.
🇬🇧 UK 2934.99 ~6.5% UK REACH Post-Brexit alignment with EU standards.
🇯🇵 Japan 2934.99 ~6.5% PMDA Approval (if pharma/agro) Stable tariff environment.

📌 Conclusion:
- The USA is the most complex market due to Section 301 and 122 tariffs.
- Correct classification is cost-saving: Choosing 2934 over 3802 saves ~23% in duties.
- Ensure your chemical structure is clearly defined in the COA to support the 2934 classification.


📌 VI. Common Errors & Pitfalls (Lessons Learned)

Error 1: Declaring a pure aromatic chemical as 3802.90.50.00 (Activated Carbon)
👉 Consequence: Paying 39.8% instead of 16.5%Wasted Cost!

Error 2: Using 2934 for a ready-to-use spray without EPA registration
👉 Consequence: Customs detention, seizure, or penalty for missing regulatory permits.

Error 3: Vague description: "Antibacterial Agent"
👉 Consequence: Customs cannot verify the aromatic structure → Audit & Delay.

Error 4: Ignoring Section 122 Tariff
👉 Consequence: Underestimating total duty by 10% → Budget Mismatch.

Correct Practice:

“Antibacterial Agent, Aromatic Heterocyclic Compound, CAS No. XXXXX-XX-X, For Agricultural Use, Liquid Formulation”


🎯 VII. Conclusion: Precise Classification, Maximize Profit!

🎯 Remember the Mantra:

🔹 “Chemical Structure = 2934 (16.5%)”
🔹 “Formulation/Spray = 3808 (16.5%)”
🔹 “Carbon/Clay Base = 3802 (37-40%)”
🔹 “Wrong Code = Costly Mistake!”


📌 Tip:
If your product is a new chemical entity, apply for a Pre-Ruling (Advance Ruling) from US Customs and Border Protection (CBP) to lock in the 2934 classification.
Ensure your EPA (Environmental Protection Agency) registration is aligned with your declared HS Code.


📣 Immediate Action:

📞 Consult with a licensed customs broker + Provide CAS Number + Verify EPA Status
🚀 Ensure smooth customs clearance, minimize tax liability, and maximize your margin!


Professional Customs Clearance Starts with Accurate Classification!
💼 Every percentage point saved is pure profit!

用户评价

关于 HS 编码归类

协调制度(HS)是由世界海关组织(WCO)制定的国际贸易商品分类标准。全球 200 多个国家采用 HS 系统作为海关关税、贸易统计和进出口监管的基础。

每个 HS 编码遵循以下层级结构:

  • 章(2 位)——商品大类(例如:第 84 章:机器和机械设备)
  • 品目(4 位)——章内的更具体分类
  • 子目(6 位)——国际通用细分,所有 WCO 成员国统一使用
  • 本国细分(8-10 位)——各国自行扩展的细分编码,如美国 HTSUS 10 位编码

正确的 HS 编码归类对于顺利通关、准确缴纳关税和遵守贸易法规至关重要。错误归类可能导致海关延误、多缴关税或罚款。

CN进口到US时,适用的关税税率可能包括:

  • 最惠国(MFN)税率——适用于 WTO 成员国的标准关税税率
  • 普通税率——适用于无贸易协定国家
  • 贸易救济关税——附加关税,如 301 条款(反倾销)、232 条款(国家安全)或反补贴税

本页内容仅供参考。如需正式归类,请咨询当地海关或持牌报关代理。